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31204443300012 = 223217131389218721
BaseRepresentation
bin1110001100001010110011…
…10000100010000010101100
311002111010010022020220012200
413012011121300202002230
513042223144441100022
6150211042351101500
76400306123461543
oct706053160420254
9132433108226180
1031204443300012
119a40803821214
1235bb768b11890
13145474943a858
1479c435a6115a
15391a74b02bac
hex1c6159c220ac

31204443300012 has 72 divisors (see below), whose sum is σ = 84155315195952. Its totient is φ = 9714899251200.

The previous prime is 31204443299999. The next prime is 31204443300013. The reversal of 31204443300012 is 21000334440213.

31204443300012 is a `hidden beast` number, since 3 + 1 + 204 + 443 + 3 + 0 + 0 + 0 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (31204443300013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194529189 + ... + 194689532.

It is an arithmetic number, because the mean of its divisors is an integer number (1168823822166).

Almost surely, 231204443300012 is an apocalyptic number.

It is an amenable number.

31204443300012 is an abundant number, since it is smaller than the sum of its proper divisors (52950871895940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31204443300012 is a wasteful number, since it uses less digits than its factorization.

31204443300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389218879 (or 389218874 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31204443300012 its reverse (21000334440213), we get a palindrome (52204777740225).

The spelling of 31204443300012 in words is "thirty-one trillion, two hundred four billion, four hundred forty-three million, three hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 131 153 204 262 306 393 524 612 786 1179 1572 2227 2358 4454 4716 6681 8908 13362 20043 26724 40086 80172 389218721 778437442 1167656163 1556874884 2335312326 3502968489 4670624652 6616718257 7005936978 13233436514 14011873956 19850154771 26466873028 39700309542 50987652451 59550464313 79400619084 101975304902 119100928626 152962957353 203950609804 238201857252 305925914706 458888872059 611851829412 866790091667 917777744118 1733580183334 1835555488236 2600370275001 3467160366668 5200740550002 7801110825003 10401481100004 15602221650006 31204443300012